与无性生殖相比有性生殖产生的后代具有更大的变异性其根本原因是 A基因突变�率高b基因组合机会多c产生许多新的基因d更易受环境 Template




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tomski与无性生殖相比有性生殖产生的后代具有更大的变异性其根本原因是 a基因突变�率高b基因组合机会多c产生许多新的基因d更易受环境 coloring